Right colic vein
The right colic vein drains the ascending colon
Ascending colon
The ascending colon is smaller in caliber than the cecum.It passes upward, from its commencement at the cecum, opposite the colic valve, to the under surface of the right lobe of the liver, on the right of the gall-bladder, where it is lodged in a shallow depression, the colic impression; here it...

, and is a tributary of the superior mesenteric vein
Superior mesenteric vein
In anatomy, the superior mesenteric vein is a blood vessel that drains blood from the small intestine . At its termination behind the neck of the pancreas, the SMV combines with the splenic vein to form the hepatic portal vein...

. It travels with its corresponding artery, the right colic artery
Right colic artery
The Right Colic Artery arises from about the middle of the concavity of the superior mesenteric artery, or from a stem common to it and the ileocolic....

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